const state = {
    id: 0,
    username: ''
  };
  
  const getters = {
    isLogin (state) {
      return state.id!== 0;
    }
  };
  
  const actions = {};
  
  const mutations = {
    setUser (state, user) {
      state.id = user.id;
      state.username = user.username;
    },
    logout (state) {
      state.id = 0;
      state.username = '';
    }
  };
  export default {
    namespaced: true,
    state,
    getters,
    actions,
    mutations
  };